154243142112 has 24 divisors (see below), whose sum is σ = 404888248296. Its totient is φ = 51414380672.

The previous prime is 154243142101. The next prime is 154243142117. The reversal of 154243142112 is 211241342451.

154243142112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 154243142112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154243142117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803349603 + ... + 803349794.

It is an arithmetic number, because the mean of its divisors is an integer number (16870343679).

Almost surely, 2^154243142112 is an apocalyptic number.

154243142112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154243142112 is an abundant number, since it is smaller than the sum of its proper divisors (250645106184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154243142112 is a wasteful number, since it uses less digits than its factorization.

154243142112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606699410 (or 1606699402 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

Adding to 154243142112 its reverse (211241342451), we get a palindrome (365484484563).

The spelling of 154243142112 in words is "one hundred fifty-four billion, two hundred forty-three million, one hundred forty-two thousand, one hundred twelve".